17 February 2017 Design and optimization of a miniaturized imaging probe for simultaneous endomicroscopy and optical coherence tomography
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Abstract
A highly-integrated MEMS-based bimodal probe design with integrated piezoelectric fiber scanner for simul- taneous endomicroscopy and optical coherence tomography (OCT) is presented. The two modalities rely on spectrally-separated optical paths that run partially in parallel through a micro-optical bench system, which has dimensions of only 13 x 2 x 3mm3 (l x w x h). An integrated tubular piezoelectric fiber scanner is used to perform en face scanning required for three dimensional OCT measurements. This scanning engine has an outer diameter of 0.9mm and a length of 9mm, and features custom fabricated 10 μm thick polyimide flexible interconnect lines to address the four piezoelectric electrodes. As a platform combining a full-field and a scanning imaging modality, the developed probe design constitutes a blue print for a wide range of multi-modal endoscopic imaging probes.
Conference Presentation
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Simon Kretschmer, Sergio Vilches, Marc Blattmann, Caglar Ataman, Hans Zappe, "Design and optimization of a miniaturized imaging probe for simultaneous endomicroscopy and optical coherence tomography", Proc. SPIE 10053, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXI, 100530B (17 February 2017); doi: 10.1117/12.2254090; https://doi.org/10.1117/12.2254090
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